Which species concept would scientists be most likely to use for organisms from the Ediacaran Period (635-541 million years ago)?

Which species concept would scientists be most likely to use for organisms from the Ediacaran  Period (635-541 million years ago)?

being or belonging to an assemblage of extinct multicellular marine organisms of the Late Precambrian era Ediacaran fauna.

Explanation:

being or belonging to an assemblage of extinct multicellular marine organisms of the Late Precambrian era Ediacaran fauna.

Ediacara record the first known multicellular animal life on Earth that predates the Cambrian. This diverse and exquisitely preserved community of ancient organisms represents a significant snapshot of our geological heritage.

what subject is this

you didn't give any options but heres what i can tell you: an inference is likely to change based on additional observations. the latter is something that you have seen or sensed using your sensory organs while the former is like a conclusion out from what you have observed.